| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 60 | Martin Brundle (GB)
Raul Boesel (BR) John Nielsen (DK) Eddie Cheever (USA)* Johnny Dumfries (GB)* |
Jaguar XJR-9 | Tom Walkinshaw | 728 | 24h00m34.940 | 1 | GTP | 6 | 1:40.716 |
| 2 | 67 | Bob Wollek (F)
Mauri Baldi (I) Brian Redman (GB) |
Porsche 962 (Chapman) C02 | Jim Busby | 727 | 2 | GTP | 1 | 1:38.917 | |
| 3 | 66 | Eddie Cheever (USA)
John Watson (GB) Johnny Dumfries (GB) John Nielsen (DK)* |
Jaguar XJR-9 | Tom Walkinshaw | 713 | 3 | GTP | 4 | 1:40.179 | |
| 4 | 86 | Hans-Joachim Stuck (D)
Klaus Ludwig (D) Sarel van der Merwe (ZA) Bruce Leven (USA)^ |
Porsche 962 139 | Bruce Leven | 694 | 4 | GTP | 7 | 1:40.777 | |
| 5 | 15 | Jim Rothbarth (USA)
Bernard Jourdain (MEX) Michel Jourdain (MEX) Rob Stevens (USA) |
Porsche 962 (Holbert) HR2 | John Kalagian | 680 | 5 | GTP | 12 | 1:44.418 | |
| 6 | 1 | A.J.Foyt (USA)
Al Unser Jr (USA) Elliott Forbes-Robinson (USA) |
Porsche 962 (Holbert-Fabcar) HR4 | A.J.Foyt | 675 | 6 | GTP | 9 | 1:41.288 | |
| NRF | 14 | Al Holbert (USA)
Chip Robinson (USA) Derek Bell (GB) |
Porsche 962 (Holbert) HR1 | Al Holbert | 660 | engine | 7 | GTP | 8 | 1:41.017 |
| NRF | 09 | Steve Durst (USA)
Michael Brockman (USA) Bob Earl (USA) Gary Belcher (USA) |
Spice-Pontiac Firebird GTP | Durst/Brockman | 651 | gearbox | 8 | GTP | 11 | 1:43.689 |
| 9 | 16 | Price Cobb (USA)
James Weaver (GB) Rob Dyson (USA) Vern Schuppan (AUS) |
Porsche 962 120 | Rob Dyson | 638 | 9 | GTP | 3 | 1:40.176 | |
| 10 | 11 | Scott Pruett (USA)
Paul Miller (USA) Bobby Akin Jr (USA) Pete Halsmer (USA) |
Merkur XR4Ti (Roush) | Jack Roush | 634 | 1 | GTO | 23 | 1:50.689 | |
| 11 | 03 | Buz McCall (USA)
Paul Dallenbach (USA) Max Jones (USA) Jack Baldwin (USA) |
Chevrolet Camaro (Riggins) | Buz McCall | 634 | 2 | GTO | 43 | 1:56.608 | |
| 12 | 9 | David Simpson (USA)
Thomas Hessert (USA) David Loring (USA) |
Tiga-Chevrolet GT286 | Mike Gue | 617 | 1 | GTP Lights | 29 | 1:53.603 | |
| 13 | 63 | Howard Katz (USA)
Hiro Matsushita (J) Jim Downing (USA) |
Argo-Mazda JM19 | Jim Downing | 615 | 2 | GTP Lights | 35 | 1:54.562 | |
| 14 | 55 | Terry Visger (USA)
Paul Lewis (USA) Jon Woodner (USA) |
Spice-Pontiac Fiero GTP | Joe Huffaker Jr | 599 | 3 | GTP Lights | 37 | 1:54.994 | |
| 15 | 71 | Amos Johnson (USA)
Dennis Shaw (USA) Bob Lazier (USA) |
Mazda RX-7 (Highball) | Amos Johnson | 598 | 1 | GTU | 52 | 1:59.721 | |
| 16 | 38 | Roger Mandeville (USA)
Kelly Marsh (USA) Don Marsh (USA) |
Maxda RX-7 (Chassis Dynamics) | Roger Mandeville | 597 | 3 | GTO | 21 | 1:50.119 | |
| 17 | 04 | Gary Auberlen (USA)
Adrian Gang (USA) Cary Eisenlohr (USA) Bill Auberlen (USA) Rene Pauer (USA)* |
Porsche 911 | Gary Auberlen | 586 | 2 | GTU | 64 | 2:04.841 | |
| 18 | 89 | Peter Uria (USA)
Jack Refenning (USA) Larry Figaro (USA) Rusty Scott (USA) Kyle Rathbun (USA)* |
Porsche 911 Carrera RSR | Peter Uria | 577 | 3 | GTU | 59 | 2:02.766 | |
| 19 | 47 | Richard Oakley (USA)
Matt Mnich (USA) Doug Mills (USA) Mike Meyer (USA)^ |
Mazda RX-7 | Chaunce Wallace | 573 | 4 | GTU | 62 | 2:04.158 | |
| 20 | 33 | Andy Petery (USA)
Les Delano (USA) Craig Carter (USA) Pete Halsmer (USA)^ Kenper Miller (USA)* |
Lincoln-Mercury Capri | Ricoh Cameras | 568 | 4 | GTO | 36 | 1:54.644 | |
| NRF | 01 | Don Bell (USA)
Charles Morgan (USA) Costas Los (GR) |
Spice-Pontiac Fiero GTP | Spice Engineering USA | 566 | fire | 4 | GTP Lights | 75 | no time |
| 22 | 19 | Ron McKay (USA)
Bill Jacobson (USA) Jim Brown (USA) |
Tiga-Mazda GT286 | Mike Gue | 557 | 5 | GTP Lights | 49 | 1:58.331 | |
| 23 | 42 | Jack Newsum (USA)
Howard Cherry (USA) Tim McAdam (USA) John Higgins (USA) |
Fabcar-Porsche | Lorenzo Lamas | 554 | 6 | GTP Lights | 51 | 1:59.498 | |
| 24 | 95 | Butch Leitzinger (USA)
Chuck Kurtz (USA) Bob Leitzinger (USA) |
Nissan 300ZX (Nash) | Bob Leitzinger | 541 | 5 | GTU | 63 | 2:04.741 | |
| 25 | 68 | Greg Walker (USA)
King Smith (USA) Scott Lagasse (USA) |
Chevrolet Camaro (Lindferer) | Greg Walker | 527 | 5 | GTO | 41 | 1:55.989 | |
| NRF | 61 | Davy Jones (USA)
Danny Sullivan (USA) Jan Lammers (NL) Martin Brundle (GB)* |
Jaguar XJR-9 | Tom Walkinshaw | 512 | overheating | 10 | GTP | 2 | 1:39.362 |
| NC | 80 | Martino Finotto (I)
Pietro Silva (I) Guido Dacco (I) Carlo Facetti (I)* |
Alba-Ferrari AR2 | Gaston Andrey | 506 | 7 | GTP Lights | 27 | 1:53.175 | |
| DNF | 99 | Willy T. Ribbs (USA)
Rocky Moran (USA) Juan Manuel Fangio II (RA) |
Toyota Celica (AAR) | Dan Gurney | 502 | engine | GTO | 30 | 1:53.965 | |
| DNF | 36 | John Grooms (USA)
Tom Bagley (USA) John Fergus (USA) Frank Jellinek Jr (USA) |
Argo-Mazda JM19 | Frank Jellinek Jr | 496 | engine | GTP Lights | 46 | 1:57.335 | |
| DNF | 18 | Bob Beasley (USA)
Steve Volk (USA) Jack Lewis (USA) |
Porsche 911 Carrera RSR | Jack Lewis | 490 | engine | GTO | 69 | 2:07.070 | |
| DNF | 84 | Bill Wessel (USA)
Craig A. Rubright (USA) Garrett Jenkins (USA) |
Chevrolet Camaro (Dillon) | Craig A. Rubright | 479 | fire | GTO | 53 | 2:00.084 | |
| DNF | 5 | Tommy Archer (USA)
Chip Mead (USA) Bill Adam (CDN) |
Chevrolet Corvette (Protofab) | Protofab | 467 | engine | GTO | 20 | 1:49.637 | |
| NC | 56 | Karl Durkheimer (USA)
Monte Shelton (USA) Jim Torres (USA) Nort Northam (USA) |
Porsche 911 Carrera (Durkheimer) | Karl Durkheimer | 455 | GTU | 67 | 2:05.692 | ||
| DNF | 75 | Bart Kendall (USA)
Johnny Unser (USA) Tom Frank (USA) G.S.Johnson (USA)^ |
Mazda RX-7 (Cunningham) | Clayton Cunningham | 446 | fire | GTU | 61 | 2:03.946 | |
| NC | 17 | Al Bacon (USA)
Bob Reed (USA) John Hogdal (USA) |
Mazda RX-7 (Chassis Dynamics) | Al Bacon | 445 | 8 | GTU | 56 | 2:01.251 | |
| DNF | 7 | Bruce Jenner (USA)
Scott Goodyear (CDN) Arie Luyendyk (NL) Tom Gloy (USA) Calvin Fish (USA) Thomas Schweitz (USA) Davy Jones (USA)* |
Ford Probe GTP (Zakspeed) | Tom Milner | 418 | engine | GTP | 14 | 1:48.065 | |
| DNF | 98 | Chris Cord (USA)
Dennis Aase (USA) Steve Millen (NZ) |
Toyota Celica (AAR) | Dan Gurney | 416 | engine | GTO | 31 | 1:54.167 | |
| NC | 92 | Steve Zwiren (USA)
Mark Montgomery (USA) Anthony Puleo (USA) Henry Brosnaham (USA)^ Anthony Pio Costa (USA)^ Del Russo Taylor (USA)* |
Pontiac Firebird (Python) | Anthony Puleo | 402 | engine | GTO | 38 | 1:55.185 | |
| DNF | 2 | Greg Pickett (USA)
John Jones (CDN) Tommy Riggins (USA) |
Chevrolet Corvette (Roush) | Jack Roush | 398 | engine | GTO | 19 | 1:49.239 | |
| DNF | 76 | John Morton (USA)
Parnelli Jones (USA) P.J.Jones (USA) Don Binks (USA)^ |
Mazda RX-7 (Cunningham) | Clayton Cunningham | 389 | accident | GTO | 32 | 1:54.179 | |
| DNF | 6 | Kenper Miller (USA)
Bobby Akin Jr (USA) Paul Gentilozzi (USA) Pete Halsmer (USA)^ Scott Pruett (USA)^ |
Merkur XR4Ti (Roush) | Jack Roush | 388 | fire | GTO | 16 | 1:49.152 | |
| DNF | 23 | George Petrilak (USA)
Rex McDaniel (USA) Bruce MacInnes (USA) Tom Ministri (USA)^ |
Argo-Buick JM16 | Motion Promotion | 379 | engine | GTP Lights | 74 | no time | |
| DNF | 4 | Jim Miller (USA)
Linda Ludemann (USA) Scott Schubot (USA) |
Spice-Buick SE88P | Schubot/Ludemann | 369 | engine | GTP Lights | 26 | 1:52.775 | |
| DNF | 22 | Mark Martin (USA)
Lyn St. James (USA) Deborah Gregg (USA) |
Lincoln-Mercury Capri | Ford | 349 | accident | GTO | 25 | 1:52.308 | |
| DNF | 81 | Ken Bupp (USA)
Jack Boxstrom (USA) Kent Painter (USA) Guy W. Church (USA) |
Chevrolet Camaro (Frings) | Ken Bupp | 345 | engine | GTO | 48 | 1:58.271 | |
| DNF | 72 | Michael Allison (USA)
Stephen Hynes (USA) Chris Ashmore (GB) |
Tiga Ford-Cosworth GC286 | Roy Baker | 329 | gearbox | GTP | 39 | 1:55.390 | |
| DNF | 35 | Armando Gonzalez (PR)
Dennis Winfree (USA) Manuel Villa Prieto (PR) John Schneider (USA) |
Royale-Porsche RP40 | Diman Racing | 302 | suspension | GTP Lights | 58 | 2:02.679 | |
| DNF | 79 | Skeeter McKitterick (USA)
William Koll (USA) Tom Winters (USA) Claude Ballot-Lena (F) Mario Hytten (CH) |
Spice-Pontiac Fiero GTP | Paul Gentilozzi | 297 | engine | GTP Lights | 24 | 1:51.791 | |
| NC | 51 | Colin Richard (GB)
Rene Azcona (USA) Bob Coperman (USA) |
Porsche 911 | Rene Azcona | 278 | GTU | 71 | 2:11.071 | ||
| DNF | 3 | Oscar Larrauri (RA)
Massimo Sigala (I) Gianfranco Brancatelli (I) |
Porsche 962C 128 | Walter Brun | 277 | engine | GTP | 5 | 1:40.611 | |
| NC | 39 | Bob Hebert (USA)
Paul Reisman (USA) Andy Strasser (USA) Paul Pettey (USA)* |
Pontiac Firebird (Watson) | Hebert/Reisman/Gaffney | 269 | GTO | 50 | 1:59.074 | ||
| DNF | 82 | Dick Greer (USA)
Mike Mees (USA) John Finger (USA) |
Mazda RX-7 (Chassis Dynamics) | Dick Greer | 243 | engine | GTU | 65 | 2:05.029 | |
| DNF | 31 | Steve Phillips (USA)
Jeff Andretti (USA) Michael Roe (IRL) |
March-Buick 86G | Moretti/Dawson | 213 | engine | GTP | 28 | 1:53.571 | |
| DNF | 06 | Ron Nelson (USA)
Bobby Brown (USA) Billy Hagan (USA) Sterling Marlin (USA)^ |
Tiga-Buick GT286 | Bobby Brown | 165 | engine | GTP Lights | 72 | 2:13.565 | |
| DNF | 29 | Oma Limbrough (USA)
Hoyt Overbagh (USA) Chris Gennone (USA) David Kicak (USA) Roy Rose (USA)^ Mike Stills (USA)^ |
Chevrolet Camaro (Stock Car Products) | Hoyt Overbagh | 165 | engine | GTO | 55 | 2:00.216 | |
| DNF | 58 | Jonathan Green (USA)
Joseph Hamilton (USA) Bill Bean (USA) Gary Wonzer (USA) Peter Uria (USA)^ Brian Cameron (USA)^ |
Lola-Mazda T616 | Gary Wonzer | 151 | engine | GTP Lights | 57 | 2:01.455 | |
| DNF | 28 | Russ Church (USA)
Daniel Urrutia (USA) E.J.Generotti (USA) Dennis Vitolo (USA) Ted Boody (USA)^ Mike Smellie (USA)* |
Mazda RX-7 | Guy W. Church | 150 | engine | GTU | 70 | 2:07.638 | |
| DNF | 27 | David Cowart (USA)
Jim Fowells (USA) Ray Mummery (USA) Mike Meyer (USA) |
Argo-Mazda JM19 | Jim Fowells | 146 | driveshaft | GTP Lights | 40 | 1:55.750 | |
| DNF | 88 | Steven Johnson (USA)
Bob Strait (USA) Geoff Nicol (AUS) |
Argo-Ferrari JM198 | Jeffrey von Braun | 132 | engine | GTP Lights | 44 | 1:56.649 | |
| DNF | 40 | Angelo Pallavicini (CH)
Paolo Guaitamacchi (I) Uli Bieri (CDN) Tommy Johnson (USA) |
Alba-Ferrari AR2 | Gaston Andrey | 126 | accident | GTP Lights | 47 | 1:57.721 | |
| DNF | 44 | Bob Tullius (USA)
Whitney Ganz (USA) Hurley Haywood (USA) |
Jaguar XJR-7 (Fabcar) 001 | Bob Tullius | 122 | overheating | GTP | 13 | 1:44.865 | |
| DNF | 12 | Bobby Allison (USA)
Clifford Allison (USA) Dick Danielson (USA) |
Buick Somerset (Allison) | Bobby Allison | 104 | engine | GTO | 34 | 1:54.489 | |
| DNF | 10 | Jim Adams (USA)
John Hotchkis Jr (USA) John Hotchkis Sr (USA) |
Porsche 962 (Holbert-Fabcar) HR5 | John Hotchkis Sr | 98 | accident | GTP | 10 | 1:42.416 | |
| DNF | 05 | Wayne Taylor (ZA)
Ian Harrower (GB) Ian Flux (GB) Stanley Dickens (S) |
ADA Ford-Cosworth | ADA Engineering | 88 | overheating | GTP | 15 | 1:48.540 | |
| DNF | 08 | Steve Burgner (USA)
Paul Romano (USA) Bill Colom (USA) Jeff Green (USA) Paul Cory (USA)^ |
Mazda RX-7 | Simms/Romano | 87 | engine | GTU | 68 | 2:06.861 | |
| DNF | 48 | Charles Monk (CDN)
Perry King (USA) Lorenzo Lamas (USA) Lance Jones (USA)^ Gregg Young (USA)^ |
Fabcar-Porsche | Lorenzo Lamas | 80 | accident | GTP Lights | 54 | 2:00.132 | |
| NC | 24 | John McComb (USA)
James Briody (USA) Bob Nagel (USA) |
March-Buick 85G Hawk 02 | James Briody | 80 | GTP | 33 | 1:54.238 | ||
| DNF | 97 | Claude Ballot-Lena (F)
Jean-Louis Ricci (F) Olindo Iacobelli (USA) |
Spice-Pontiac Fiero GTP | Paul Gentilozzi | 77 | accident | GTP Lights | 42 | 1:56.275 | |
| DNF | 21 | Brent O'Neill (USA)
John Wood (USA) David Rocha (USA) |
Alba-Buick AR2 | John Wood | 68 | gearbox | GTP | 22 | 1:50.260 | |
| DNF | 53 | Tim Evans (USA)
Jack Broomall (USA) Garth Ullam (USA) Neil Hanneman (USA) |
Dodge Daytona | Carroll Shelby | 66 | accident | GTU | 60 | 2:03.802 | |
| DNF | 00 | Kal Showket (USA)
Dorsey Schroeder (USA)^ Phil Currin (USA)^ |
Dodge Daytona (Showkett) | Kal Showket | 62 | spin | GTU | 66 | 2:05.143 | |
| DNF | 96 | Phil Mahre (USA)
Hellmut Mundas (D) Steve Mahre (USA)^ Lon Bender (USA)^ |
URD-BMW C82 | URD Junior | 60 | accident | GTP | 17 | 1:49.165 | |
| DNF | 20 | Richard McDill (USA)
Tom Juckette (USA) Bill McDill (USA) |
March-Pontiac 84G | Bill McDill | 54 | suspension | GTP | 73 | no time | |
| DNF | 30 | Michael Roe (IRL)
Gianpiero Moretti (I) Paolo Barilla (I)^ |
March-Buick 86G | Moretti/Dawson | 39 | oil system | GTP | 18 | no time | |
| DNF | 94 | Rusty Bond (USA)
Ash Tisdelle (USA)^ Lance Van Every (USA)^ |
Chevrolet Camaro (Riggins) | Ash Tisdelle | 18 | engine | GTO | 45 | 1:57.048 | |
| DNS | 45 | Karl keck (USA)
Mark Kennedy (USA) Gary Wonzer (USA) Brian Cameron (USA) Mark Montgomery (USA)* |
Chevrolet Corvette (Pratt) | Karl Keck | GTO | 76 | no time | |||
| DNS | 77 | Arie Luyendyk (NL)
Tom Gloy (USA) Tom Pumpelly (USA) |
Ford Probe GTP (Zakspeed) | Tom Milner | GTP | 1:44.451 | ||||
| DNS | 65 | Gary English (USA)
Jerry Thompson (USA) Gene Felton (USA) Mike Laws (USA) |
Royale-Buick RP40 | Gary English | GTP Lights | 2:10.504 | ||||
| DNS | 8 | Chip Mead (USA)
Tim McAdam (USA) Larry McDonough (USA) |
Fabcar-Chevrolet | Fabcar | GTP | no time | ||||
| DNA | 34 | Sid Collins (USA)
Paul Carpenter (USA) Bert Struble (USA) |
Ukina-Jaguar | Roy Hendricks | GTP Lights | |||||
| DNA | 54 | Joseph Hamilton (USA)
Jonathan Green (USA) Gary Wonzer (USA) Brian Cameron (USA) Rusty Scott (USA) Buzz Cason (USA) |
Lola-Mazda T616 | Gary Wonzer | GTP Lights | |||||
| DNA | Elliott Forbes-Robinson (USA) | Lola-Chevrolet T710-Corvette GTP | Rick Hendrick | GTP |
| Winning Time: 24h00m34.940, 126.026 mph/202.819 kph |
| Fastest Lap: Price Cobb #16 (Porsche 962), 1m41.693, 126.026 mph/202.819 kph |
| * Driver entered for car, but never drove it at meeting |
| ^ Driver practiced car, but did not race it |
| RES - Reserve (Practiced, on standy-by for start) |
| REE - Reserve Entry |
| DNA - Did Not Arrive |
| DNS - Did Not Start |
| DNF - Did Not Finish |
| DNP - Did Not Practice |
| NC - Not Classified |
| DSQ - Disqualified |
| NRF - Not Running At Finish |
| NAC - Not Accepted |
| REJ - Rejected (Did not pass scrutineering) |